Pencil sharpener



FIG. 1 is a rear perspective view of a pencil sharpener showing my new design.

FIG. 2 is a front perspective view of FIG. 1.

FIG. 3 is a left side view of FIG. 1; the right side view is a mirror image of the left side view.

FIG. 4 is a front view of FIG. 1.

FIG. 5 is a rear view of FIG. 1; and,

FIG. 6 is a top view of FIG. 1.

The broken lines in in the drawings are for the purpose of illustrating environment and form no part of the claimed design. 

CLAIM The ornamental design for a pencil sharpener, as shown and described. 